CN214470621U - Sealing element fixing tool based on laser arm measurement technology - Google Patents
Sealing element fixing tool based on laser arm measurement technology Download PDFInfo
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- CN214470621U CN214470621U CN202023132015.3U CN202023132015U CN214470621U CN 214470621 U CN214470621 U CN 214470621U CN 202023132015 U CN202023132015 U CN 202023132015U CN 214470621 U CN214470621 U CN 214470621U
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- groove
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- sealing element
- sliding block
- laser arm
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Abstract
The utility model relates to the technical field of laser measurement, in particular to a sealing element fixing tool based on a laser arm measurement technology, which is used for clamping an annular sealing element and comprises a bottom plate, a chassis, a slider, a bolt and a positioning block; the bottom plate and the chassis are integrally processed and formed, wherein the chassis is a circular boss; the chassis is positioned above the bottom plate; when measurement is carried out, the base of the laser arm is fixed on the bottom plate through magnetic attraction, so that relative displacement between the laser arm and the chassis is avoided; n grooves are machined on the base plate at equal angular intervals by taking the circle center as the center, and N is more than or equal to 3; and the edge of each groove is provided with a scale mark. The utility model discloses fixed frock passes through the slider and moves in the recess that stretches out and draws back to the fixed measurement of adaptation different specification sealing members.
Description
Technical Field
The utility model belongs to the technical field of laser surveying, concretely relates to frock is fixed to sealing member based on laser arm measurement technique.
Background
Annular sealing elements required to be installed on pipelines and equipment of partial systems of the nuclear power station, such as standard or non-standard metal graphite gaskets, metal O-shaped rings and the like, have high requirements on machining and installation dimensional accuracy. However, during the measured fixing process of the related annular sealing element, an encoder on the joint arm of the three-coordinate laser measuring instrument often transmits an error signal due to stress deformation or poor positioning, so that the measured dimension and tolerance data have certain deviation from the actual value.
Therefore, it is desirable to design a fixing device to solve the above problems.
Disclosure of Invention
An object of the utility model is to provide a frock is fixed to sealing member based on laser arm measurement technique to reduce sealing member size deformation, improve positioning accuracy, accurate measurement dimensional tolerance.
The technical scheme of the utility model as follows:
the sealing element fixing tool based on the laser arm measurement technology is used for clamping an annular sealing element and comprises a bottom plate, a base plate, a sliding block, a bolt and a positioning block;
the bottom plate and the chassis are integrally processed and formed, wherein the chassis is a circular boss;
the chassis is positioned above the bottom plate;
when measurement is carried out, the base of the laser arm is fixed on the bottom plate through magnetic attraction, so that relative displacement between the laser arm and the chassis is avoided;
n grooves are machined on the base plate at equal angular intervals by taking the circle center as the center, and N is more than or equal to 3;
the edge of each groove is provided with a scale mark;
two sliding blocks are respectively arranged in each groove;
a threaded through hole is processed along the central axis of the sliding block;
the positioning block is in a shape of a round cake, is sleeved on the sliding block and is positioned above the groove;
an arc-shaped clamping groove is formed in the side face of each positioning block, and an annular sealing element is clamped between the two positioning blocks in each groove;
the bolt is screwed into the threaded through hole of the sliding block from the upper part of the sliding block, and the bottom end of the bolt is contacted with the bottom surface of the groove.
The groove is a T-shaped groove or a dovetail groove.
And a T-shaped sliding block is arranged in the T-shaped groove, and a dovetail groove sliding block is arranged in the dovetail groove.
And magnetic adhesion is formed between the annular sealing element and the two positioning blocks in each groove.
The positioning block is made of an alnico hard magnetic material.
The N sliding blocks positioned on the inner side of the annular sealing element and the N sliding blocks positioned on the outer side of the annular sealing element are respectively consistent with the circle center distance of the chassis, so that the position centering of the annular sealing element is ensured.
The bolt is screwed to jack the sliding block to be in contact with the top surface of the groove, so that the position of the sliding block is fixed, the annular sealing piece is guaranteed not to be stressed transversely, and the deformation of the annular sealing piece is reduced.
The utility model discloses a show the effect and lie in:
(1) the utility model discloses fixed frock passes through the slider and moves in the recess that stretches out and draws back to the fixed measurement of adaptation different specification sealing members.
(2) The utility model discloses fixed frock utilizes three points firm, the locating piece not atress to the mode of pressing from both sides, reduces the radial atress of sealing member to reduce the deflection that arouses because of the atress.
(3) The utility model discloses fixed frock designs the reading of three point slider removal size simultaneously, guarantees the accurate location that sealing member central point put, ensures the certainty of three-coordinate laser survey benchmark.
(4) The utility model discloses fixed frock can effectively exert three-coordinate laser measuring instrument's measurement efficiency, improves the size and the tolerance measurement of three eccentric angles, annular seal member tolerance diameter, and it is outstanding to verify the effect at nuclear power field application.
Drawings
FIG. 1 is a top view of a fixture;
FIG. 2 is a front cross-sectional view of the fixture;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
In the figure: 1. a chassis; a T-shaped slider; 3. a bolt; 4. and (5) positioning the blocks.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The sealing element fixing tool based on the laser arm measurement technology is used for clamping an annular sealing element and is shown in figures 1-3.
The fixed tool comprises a bottom plate, a chassis 1, a sliding block, a bolt 3 and a positioning block 4.
The base plate and the chassis 1 are integrally processed and formed, wherein the chassis 1 is a circular boss, and the base plate can be a circular flat plate or a rectangular flat plate. The chassis 1 is positioned above the bottom plate.
When measuring, the base of laser arm is fixed on the bottom plate through magnetism, avoids taking place relative displacement between laser arm and chassis 1.
A groove is processed on the chassis 1 at intervals of 120 degrees by taking the circle center as the center. The groove is a T-shaped groove or a dovetail groove. And the edge of each groove is provided with a scale mark.
Two sliding blocks are respectively arranged in each groove. Wherein, a T-shaped sliding block 2 is arranged in the T-shaped groove, and a dovetail groove sliding block is arranged in the dovetail groove. And a threaded through hole is processed along the central axis of the sliding block.
The positioning block 4 is in a shape of a round cake, is sleeved on the sliding block and is positioned above the groove. The positioning block 4 is made of an alnico hard magnetic material.
Arc-shaped clamping grooves are formed in the side faces of the positioning blocks 4, and the annular sealing element is clamped between the two positioning blocks 4 in each groove and forms magnetic adhesion.
By observing the scale marks on the edge of the groove, the distances between the three sliding blocks positioned on the inner side of the annular sealing element and the centers of the three sliding blocks positioned on the outer side of the annular sealing element and the chassis 1 are respectively adjusted to be consistent, so that the position centering of the annular sealing element is ensured.
And the bolt 3 is screwed into the threaded through hole of the sliding block from the upper part of the sliding block, and the bottom end of the bolt 3 is contacted with the bottom surface of the groove.
The sliding block is jacked up to be in contact with the top surface of the groove through the screwing bolt 3, so that the position of the sliding block is fixed, the annular sealing piece is guaranteed not to be stressed transversely, and the deformation of the annular sealing piece is reduced.
Claims (7)
1. Frock is fixed to sealing member based on laser arm measurement technique, its characterized in that: the clamping device is used for clamping an annular sealing element and comprises a bottom plate, a chassis (1), a sliding block, a bolt (3) and a positioning block (4);
the base plate and the chassis (1) are integrally processed and formed, wherein the chassis (1) is a circular boss;
the chassis (1) is positioned above the bottom plate;
when measurement is carried out, the base of the laser arm is fixed on the bottom plate through magnetic attraction, so that relative displacement between the laser arm and the chassis (1) is avoided;
n grooves are machined on the chassis (1) at equal angular intervals by taking the circle center as the center, and N is more than or equal to 3;
the edge of each groove is provided with a scale mark;
two sliding blocks are respectively arranged in each groove;
a threaded through hole is processed along the central axis of the sliding block;
the positioning block (4) is in a round cake shape, is sleeved on the sliding block and is positioned above the groove;
an arc clamping groove is formed in the side face of each positioning block (4), and an annular sealing element is clamped between the two positioning blocks (4) in each groove;
the bolt (3) is screwed into the threaded through hole of the sliding block from the upper part of the sliding block, and the bottom end of the bolt (3) is contacted with the bottom surface of the groove.
2. The laser arm measurement technology-based seal fixing tool according to claim 1, wherein: the groove is a T-shaped groove or a dovetail groove.
3. The laser arm measurement technology-based seal fixing tool according to claim 2, wherein: a T-shaped sliding block (2) is arranged in the T-shaped groove, and a dovetail groove sliding block is arranged in the dovetail groove.
4. The laser arm measurement technology-based seal fixing tool according to claim 1, wherein: and magnetic adhesion is formed between the annular sealing element and the two positioning blocks (4) in each groove.
5. The laser arm measurement technology-based seal fixing tool according to claim 1, wherein: the positioning block (4) is made of an alnico hard magnetic material.
6. The laser arm measurement technology-based seal fixing tool according to claim 1, wherein: the N sliding blocks positioned on the inner side of the annular sealing element and the N sliding blocks positioned on the outer side of the annular sealing element are respectively consistent with the circle center distance of the chassis (1) so as to ensure the position centering of the annular sealing element.
7. The laser arm measurement technology-based seal fixing tool according to claim 1, wherein: the bolt (3) is screwed to jack the sliding block to be in contact with the top surface of the groove, so that the position of the sliding block is fixed, the annular sealing element is guaranteed not to be stressed transversely, and the deformation of the annular sealing element is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023132015.3U CN214470621U (en) | 2020-12-23 | 2020-12-23 | Sealing element fixing tool based on laser arm measurement technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023132015.3U CN214470621U (en) | 2020-12-23 | 2020-12-23 | Sealing element fixing tool based on laser arm measurement technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214470621U true CN214470621U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023132015.3U Active CN214470621U (en) | 2020-12-23 | 2020-12-23 | Sealing element fixing tool based on laser arm measurement technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214470621U (en) |
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2020
- 2020-12-23 CN CN202023132015.3U patent/CN214470621U/en active Active
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